Know Your Environment. Protect Your Health.

Monochloroacetic acid

Vista Oaks Municipal Utility District

Monochloroacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20190.900 ppb41ND - 3.60 ppb
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk.a public health goal. This health guideline protects against change to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-31AE11549ND
2018-04-13AE22375ND
2018-07-12AE33115ND
2018-10-03AE42483ND
2019-03-20AE59204ND
2019-05-09AE656413.60 ppb
2019-07-23AE75499ND
2019-12-06AE91546ND
2020-03-10AF01964ND
2020-04-16AF06974ND
2020-08-03AF21525ND
2020-10-28AF32387ND
2021-01-28AF41549ND
2021-04-15AF50271ND
2021-07-14AF61872ND
2021-11-15AF76514ND
2022-03-07AF87628ND
2022-04-14AF93352ND
2022-07-14AG04689ND
2022-10-06AG16259ND
2023-01-12AG24346ND
2023-04-11AG36265ND
2023-08-31AG54790ND
2023-11-06AG62365ND